Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3Z callsign genealogy
Currently held by Fellows, Charles A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AB3Z's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB3Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB3Z, oldest first.
- GINSBERG, BENJAMIN NJ1994-01-04 → cancelled 2006-01-05
- Fellows, Charles A CA2015-12-17 active